Asus B85M-G E9884 User Manual download pdf (Page 22)

1-14

Chapter 1: Product introduction

1.7.2 Internal connectors

•

WerecommendthatyouuseanATX12VSpecication2.0-compliantpowersupply

unit(PSU)withaminimumof300Wpowerrating.ThisPSUtypehas24-pinand4-pin

power plugs.

•

DONOTforgettoconnectthe4-pinATX+12Vpowerplug.Otherwise,thesystemwill

not boot up.

• WerecommendthatyouuseaPSUwithhigherpoweroutputwhenconguringa

systemwithmorepower-consumingdevicesorwhenyouintendtoinstalladditional

devices.Thesystemmaybecomeunstableormaynotbootupifthepoweris

inadequate.

•

Ifyouareuncertainabouttheminimumpowersupplyrequirementforyoursystem,

refertotheRecommendedPowerSupplyWattageCalculatorathttp://support.asus.

com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.

1. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)

TheseconnectorsareforATXpowersupplyplugs.Thepowersupplyplugsare

designedtottheseconnectorsinonlyoneorientation.Findtheproperorientationand

pushdownrmlyuntiltheconnectorscompletelyt.

B85M-G

B85M-G ATX power connectors

EATXPWR

PIN 1

GND

+5 Volts

-5 Volts

GND

PSON#

GND

-12 Volts

+3 Volts

+12 Volts

+5V Standby

Power OK

GND

+5 Volts

GND

+5 Volts

GND

+3 Volts

ATX12V

PIN 1

+12V DC

GND

2. LPT connector (26-1 pin LPT)

TheLPT(LinePrintingTerminal)connectorsupportsdevicessuchasaprinter.LPT

standardizesasIEEE1284,whichistheparallelportinterfaceonIBMPC-compatible

computers.

B85M-G

B85M-G Parallel Port Connector

LPT

PIN 1

SLCT

BUSY

ACK#

PD7

PD6

PD5

PD4

PD3

PD2

PD1

PD0

STB#

GND

SLIN#

INIT#

ERR#

AFD

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